US Bridges

US74/76BUS. over White Marsh Swamp

Fair

Columbus County, North Carolina · 0.8 Mi. W. Jct. NC214 · Structure no. 000000000470055

Built
1921
104 years old, rebuilt 2009
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
163 ft
5 main spans
Daily traffic
9,400
2022 count
Owner
State
State Highway Agency

About this bridge

US74/76BUS. over White Marsh Swamp is a concrete tee beam carrying US74/76BUS. over White Marsh Swamp in Columbus County, North Carolina. It was built in 1921 and reconstructed in 2009, so it is 104 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,400 vehicles a day, roughly 8% of them trucks, projected to reach 18,800 by 2040. The structure is 163 ft (49.6 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS74/76BUS.
CrossesWhite Marsh Swamp
Location0.8 Mi. W. Jct. NC214
RouteU.S. Route 74
CountyColumbus County
StateNorth Carolina
Coordinates34.34266, -78.67269
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length163 ft (49.6 m)
Longest span32 ft (9.7 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2022)
Projected traffic18,800 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US74/76BUS. over White Marsh Swamp built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 2009.

What condition is US74/76BUS. over White Marsh Swamp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does US74/76BUS. over White Marsh Swamp carry?

About 9,400 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US74/76BUS. over White Marsh Swamp?

The structure is 163 ft (49.6 m) long with a longest span of 32 ft (9.7 m) and a deck 38 ft wide.

Who owns US74/76BUS. over White Marsh Swamp?

It is owned by the State Highway Agency.